ros@ros-virtual-machine:~/catkin_ctr$ catkin_make --pkg jiangluo Base path: /home/ros/catkin_ctr Source space: /home/ros/catkin_ctr/src Build space: /home/ros/catkin_ctr/build Devel space: /home/ros/catkin_ctr/devel Install space: /home/ros/catkin_ctr/install #### #### Running command: "make cmake_check_build_system" in "/home/ros/catkin_ctr/build" #### #### #### Running command: "make -j4 -l4" in "/home/ros/catkin_ctr/build/jiangluo" #### ros@ros-virtual-machine:~/catkin_ctr$ rospack find jiangluo [rospack] Error: package 'jiangluo' not found

根据你的输出信息，可能是因为你的工作空间没有重新加载。请尝试按照以下步骤操作：

1. 在终端中输入以下命令，激活你的工作空间：

   source ~/catkin_ctr/devel/setup.bash

如果你的工作空间不在`~/catkin_ctr`，请将命令中的路径替换为你的工作空间路径。

2. 然后，重新编译你的工作空间：

   cd ~/catkin_ctr
   catkin_make

或者，只编译`jiangluo`包：

   cd ~/catkin_ctr
   catkin_make --pkg jiangluo

3. 最后，使用以下命令确认`jiangluo`包是否存在：

   rospack find jiangluo

如果输出了包的路径，则说明该包已经安装成功。